<template>
  <div>
    <br>
    <!-- 搜索表单 -->
    <el-form ref="queryRef" :inline="true" label-width="68px" v-if="showSearch">
      <el-form-item label="品牌名称" prop="name">
        <el-input
            v-model="queryParams.name"
            placeholder="请输入品牌名称"
            clearable
            @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="reset()">重置</el-button>
      </el-form-item>
    </el-form>
    <!-- 功能按钮栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd()"
            v-hasPermi="['product:brand:add']"
        >新增
        </el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleChange"
            v-hasPermi="['product:brand:edit']"
        >修改
        </el-button>

      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handelDelete"
            v-hasPermi="['product:brand:delete']"
        >删除
        </el-button>
        <el-tooltip circle :content="showCircle" placement="top">
          <el-button icon="Search" @click="change()"></el-button>
        </el-tooltip>
        <el-button icon="Refresh" circle @click="getList"/>
      </el-col>
    </el-row>

    <!-- 新增或修改分类品牌对话框 -->
    <el-dialog :title="title" v-model="open" @open="HandleOpenDialog" width="500px" append-to-body>
      <el-form ref="brandRef" :model="form" label-width="80px">
        <el-form-item label="品牌名称" :rules="[{
          required: true,
          message: '品牌名不能为空',
          trigger: 'blur'
        }]" prop="name" >
          <el-input v-model="form.name" placeholder="请输入品牌名称"/>
        </el-form-item>
        <el-form-item label="品牌图标" prop="logo" :rules="[{
          required: true,
          message: '品牌图片不能为空',
          trigger: 'blur'
        }]">
          <el-upload
              class="avatar-uploader"
              :action="imgUpload.url"
              :headers="imgUpload.headers"
              :show-file-list="false"
              :on-success="handleAvatarSuccess"
          >
            <img v-if="form.logo" :src="form.logo" class="avatar"/>
            <el-icon v-else class="avatar-uploader-icon">
              <Plus/>
            </el-icon>
          </el-upload>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submit()">确 定</el-button>
          <el-button @click="cancel()">取 消</el-button>
        </div>
      </template>
    </el-dialog>
    <!-- 数据展示表格 -->
    <el-table v-loading="loading" :data="brandList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="品牌名称" prop="name" width="200"/>
      <el-table-column label="品牌图标" prop="logo" #default="scope">
        <img :src="scope.row.logo" width="50"/>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleChange(scope.row)">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handelDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页条组件 -->
    <pagination
        v-show="total>0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />
  </div>
</template>


<script setup name="Brand">
import {listBrand, addBrand , getBrand , updateBrand , deleteBrand} from "@/api/product/brand";
import {getToken} from "@/utils/auth";
import {reactive, ref, toRefs , nextTick} from "vue";
//引入ElMessage组件
import {ElMessage, ElMessageBox} from "element-plus";

//定义分页列表数据模型
const brandList = ref([]);
//定义列表总记录数模型
const total = ref(0);
//定义加载页面的模型数据
const loading = ref(true)

//新增与修改弹出层控制模型
const open = ref(false);
//新增与修改弹出层标题模型
const title = ref("");
//批量删除的id
const ids = ref([]);
//按钮修改的id
const id = ref("");
//批量删除按钮禁用
const multiple = ref(true);
//按钮修改禁用
const single = ref(true);
//Dialog的数据校验
const brandRef = ref();
//定义查询的模型数据
const data = reactive({
  queryParams: {
    "name": undefined,
    "pageNum": undefined,
    "pageSize": undefined
  },
  form: {},
  imgUpload: {
    // 设置上传的请求头部
    headers: {
      Authorization: "Bearer " + getToken()
    },
    // 图片上传的方法地址:
    url: import.meta.env.VITE_APP_BASE_API + "/file/upload"
  }
});

const {queryParams, form, imgUpload} = toRefs(data);
const showCircle = ref("隐藏搜索框")
const showSearch = ref(true)

function change() {
  if (showCircle.value == "隐藏搜索框") {
    showSearch.value = false
    showCircle.value = "显示搜索框"
  }else if(showCircle.value == "显示搜索框"){
    showSearch.value = true
    showCircle.value = "隐藏搜索框"
  }
}

//上传
function handleAvatarSuccess(response, uploadFile) {
  console.log(response)
  console.log(uploadFile)
  form.value.logo = response.data.url
}

//重置表单
function reset() {
  queryParams.value.pageNum = 1;
  queryParams.value.pageSize = 10;
  queryParams.value.name = null;
  handleQuery()
}

//查询商品列表
function getList() {
  loading.value = true;
  listBrand(queryParams.value).then(response => {
    console.log(response)
    brandList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  })
}

//执行查询商品列表的方法
getList()

//搜索
function handleQuery() {
  getList()
}

//重置对话框数据
function dioReset() {
  form.value = {
    id: null,
    name: null,
    logo: null
  };
}

//新增
function handleAdd() {
  dioReset()
  open.value = true
  title.value = "新增品牌"
}

function submit() {
  if (form.value.id == null) {
    addBrand(form.value).then(response => {
      ElMessage.success("新增成功")
      open.value = false
      getList()
    })
  }else {
    updateBrand(form.value).then(response=>{
      ElMessage.success("修改成功")
      ElMessage.success()
      open.value = false
      getList()
    })
  }

}

//修改
function handleChange(row) {
  dioReset()
  const _id = row.id || id.value
  console.log(_id)
  getBrand(_id).then(response =>{
    form.value = response.data
    open.value =true
    title.value = "修改品牌"
  })
}

//选择表格行
function handleSelectionChange(selection){
  ids.value = selection.map(item=>item.id);
  id.value = selection.map(item=>item.id);
  multiple.value = !selection.length;
  single.value = selection.length!=1

}

//删除
function handelDelete(row) {
  const _id = row.id || ids.value
  // const b = confirm("确定要删除编号为" + _id + "的品牌吗");
  ElMessageBox.confirm('确定要删除编号为"' + _id +'"的品牌吗','系统提示',{
    confirmButtonText: '确定',
    cancelButtonText: '取消'
  }).then(() =>{
    deleteBrand(_id).then(response=>{
      ElMessage({
        type: 'success',
        message: '删除成功'
      })
      getList()
    })
  }).catch(()=>{
    ElMessage({
      type: 'info',
      message: '取消删除'
    })
  });
}


//对话框取消
function cancel() {
  open.value = false
}
//清楚表单校验数据记录
function HandleOpenDialog(){
  nextTick(()=>{
    brandRef.value.clearValidate()
  })
}
</script>
<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>

